Home / 117,508,442.20-176,150,688.90-91,586,368.60

Finding the Fourth Proportional to 117,508,442.20, 176,150,688.90 and 91,586,368.60

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Solution

The fourth proportional to 117,508,442.20, 176,150,688.90 and 91,586,368.60 is: 137,292,279.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,508,442.20 : 176,150,688.90 = 91,586,368.60 : x
  2. Step 2: Convert to fraction form
    117,508,442.20/176,150,688.90 = 91,586,368.60/x
  3. Step 3: Cross multiply
    117,508,442.20x = 176,150,688.90 × 91,586,368.60
  4. Step 4: Simplify right side
    117,508,442.20x = 16,133,001,922,739,328
  5. Step 5: Solve for x
    x = 16,133,001,922,739,328/117,508,442.20
  6. Step 6: Final answer
    x = 137,292,279.78

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.